Hardy to USDA Zone 5 The species is native to Japan; it is less common in gardens than several cultivars, Aconitifolium is the most widely grown it was honored with Royal Horticultural Society Award of Garden Merit in 1984.

Aconitifolium: the leaves have an appearance similar to the fern-like leaves of the genus Aconitum (Monkshood).

Oregon State Univ. campus: east side of Ag. & Life Sciences "fountain", i.e., under bridge to Cordley.